A Qualitative In Vitro SEM Study on the Protective Effects of a Self-Antibacterial Nano-Hydroxyapatite Toothpaste Against Acid-Induced Enamel Surface Erosion. - Randorn, Chamnan; Kaewdee, Pongpen; Rujijanagul, Gobwute; Tandorn, Sujitra (International Journal of Molecular Sciences, 2026)